Home / 18,898.72-26,078.60-10,941.42

Finding the Fourth Proportional to 18,898.72, 26,078.60 and 10,941.42

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Solution

The fourth proportional to 18,898.72, 26,078.60 and 10,941.42 is: 15,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.72 : 26,078.60 = 10,941.42 : x
  2. Step 2: Convert to fraction form
    18,898.72/26,078.60 = 10,941.42/x
  3. Step 3: Cross multiply
    18,898.72x = 26,078.60 × 10,941.42
  4. Step 4: Simplify right side
    18,898.72x = 285,336,915.61
  5. Step 5: Solve for x
    x = 285,336,915.61/18,898.72
  6. Step 6: Final answer
    x = 15,098.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.